at91rm9200.cfg

来自「一个烧写FLASH的软件」· CFG 代码 · 共 52 行

reset_config trst_and_srst

if { [info exists CHIPNAME] } {	
   set  _CHIPNAME $CHIPNAME    
} else {	 
   set  _CHIPNAME at91rm9200
}

if { [info exists ENDIAN] } {	
   set  _ENDIAN $ENDIAN    
} else {	 
   set  _ENDIAN little
}

if { [info exists CPUTAPID ] } {
   set _CPUTAPID $CPUTAPID
} else {
   set _CPUTAPID 0x05b0203f
}

# Never allow the following!
if { $_CPUTAPID == 0x15b0203f } {
   puts "-------------------------------------------------------"
   puts "- ERROR:                                              -"
   puts "- ERROR: TapID 0x15b0203f is wrong for at91rm9200      -"
   puts "- ERROR: The chip/board has a JTAG select pin/jumper  -"
   puts "- ERROR:                                              -"
   puts "- ERROR: In one position (0x05b0203f) it selects the   -"
   puts "- ERROR: ARM CPU, in the other position (0x1b0203f)   -"
   puts "- ERROR: it selects boundry-scan not the ARM          -"
   puts "- ERROR:                                              -"
   puts "-------------------------------------------------------"
}

jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID


# Create the GDB Target.
set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
target create $_TARGETNAME arm920t -endian $_ENDIAN -chain-position $_TARGETNAME 
# AT91RM9200 has a 16K block of sram @ 0x0020.0000
$_TARGETNAME configure -work-area-virt 0x00200000 -work-area-phys 0x00200000 -work-area-size 0x4000 -work-area-backup 1

# This chip has a DCC ... use it
arm7_9 dcc_downloads enable